Search a number
-
+
113668849 = 7197571129
BaseRepresentation
bin1101100011001…
…11001011110001
321220212222100101
412301213023301
5213044400344
615140152401
72550112030
oct661471361
9256788311
10113668849
11591880a8
1232098701
131a71b298
141114c717
159ea49d4
hex6c672f1

113668849 has 16 divisors (see below), whose sum is σ = 137046400. Its totient is φ = 92098944.

The previous prime is 113668801. The next prime is 113668873. The reversal of 113668849 is 948866311.

It is not a de Polignac number, because 113668849 - 217 = 113537777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113668799 and 113668808.

It is not an unprimeable number, because it can be changed into a prime (113668879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100117 + ... + 101245.

It is an arithmetic number, because the mean of its divisors is an integer number (8565400).

Almost surely, 2113668849 is an apocalyptic number.

113668849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113668849 is a deficient number, since it is larger than the sum of its proper divisors (23377551).

113668849 is a wasteful number, since it uses less digits than its factorization.

113668849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912.

The product of its digits is 248832, while the sum is 46.

The square root of 113668849 is about 10661.5594075163. The cubic root of 113668849 is about 484.4108039798.

The spelling of 113668849 in words is "one hundred thirteen million, six hundred sixty-eight thousand, eight hundred forty-nine".

Divisors: 1 7 19 133 757 1129 5299 7903 14383 21451 100681 150157 854653 5982571 16238407 113668849